[Ergonomic design] This laptop Bluetooth mouse has scientific ergonomic design to reduce muscle strain and wrist pain. The vertical mouse fits your palm, keeping your hands and arms in a more comfortable position.$[Stable 2.4G wireless connection] The wireless mouse uses 2.4G wireless connection, which is more stable than Bluetooth connection. Plug in the USB receiver (on the back of the computers wireless mouse) and use it. The wireless mouse has an effective transmission distance of up to 10 meters, which can provide reliable connection support for work and entertainment.$[Mute mouse] The cordless mouse adopts mute buttons, smooth matte surface and quiet clicks can bring a better user experience, so that you don't have to worry about disturbing others and stay focused when you work.$[Easy to use] Plug and play. The receiver is located in the battery compartment of the mouse. Take it out and insert it separately into the device port. There is no need for additional drivers or software to improve work efficiency and meet office needs.$[Adjustable 3 DPI mouses] The wireless office mouse can switch between 800-1200-1600 3 DPI levels. Change the DPI of the windows wireless mouse, increase the moving distance of the pointer on the screen, improve work efficiency, and meet the needs of office use.